CLRINTPND=UNCHANGED, NEWDAT=UNCHANGED, DATA_B=UNCHANGED, DATA_A=UNCHANGED, MASK=UNCHANGED, ARB=UNCHANGED, CTRL=UNCHANGED
Message interface 1 command mask (read direction)
| DATA_B | Access data bytes 4-7 0 (UNCHANGED): Unchanged. Data bytes 4-7 unchanged. 1 (TRANSFER): Transfer. Transfer data bytes 4-7 to IFx message buffer register. |
| DATA_A | Access data bytes 0-3 0 (UNCHANGED): Unchanged. Data bytes 0-3 unchanged. 1 (TRANSFER): Transfer. Transfer data bytes 0-3 to IFx message buffer. |
| NEWDAT | Access new data bit 0 (UNCHANGED): Unchanged. NEWDAT bit remains unchanged. A read access to a message object can be combined with the reset of the control bits INTPND and NEWDAT in IF1/2_MCTRL. The values of these bits transferred to the IFx Message Control Register always reflect the status before resetting these bits. 1 (CLEAR): Clear. Clear NEWDAT bit in the message object. |
| CLRINTPND | Clear interrupt pending bit. 0 (UNCHANGED): Unchanged. INTPND bit remains unchanged. 1 (CLEAR): Clear. Clear INTPND bit in the message object. |
| CTRL | Access control bits 0 (UNCHANGED): Unchanged. Control bits unchanged. 1 (TRANSFER): Transfer. Transfer control bits to IFx message buffer. |
| ARB | Access arbitration bits 0 (UNCHANGED): Unchanged. Arbitration bits unchanged. 1 (TRANSFER): Transfer. Transfer Identifier, DIR, XTD, and MSGVAL bits to IFx message buffer register. |
| MASK | Access mask bits 0 (UNCHANGED): Unchanged. Mask bits unchanged. 1 (TRANSFER): Transfer. Transfer Identifier MASK + MDIR + MXTD to IFx message buffer register. |
| WR_RD | Read transfer Transfer data from the message object addressed by the command request register to the selected message buffer registers CANIFn_CMDREQ. |
| RESERVED | reserved |